[engine][VELOCITY-917] Preliminary work for VTL chars config: parametrize code using target chars

git-svn-id: https://svn.apache.org/repos/asf/velocity/engine/branches/parser_experiments@1860461 13f79535-47bb-0310-9956-ffa450edef68

1 files changed, 29 insertions, 6 deletions

diff --git a/velocity-engine-core/src/test/java/org/apache/velocity/test/TextblockTestCase.java b/velocity-engine-core/src/test/java/org/apache/velocity/test/TextblockTestCase.java
index 44891fec..fc042544 100644
--- a/velocity-engine-core/src/test/java/org/apache/velocity/test/TextblockTestCase.java
+++ b/velocity-engine-core/src/test/java/org/apache/velocity/test/TextblockTestCase.java
@@ -19,8 +19,12 @@ package org.apache.velocity.test;
  * under the License.
  */
 
+import org.apache.velocity.runtime.RuntimeInstance;
+import org.apache.velocity.runtime.parser.Parser;
 import org.apache.velocity.runtime.parser.node.ASTTextblock;
 
+import java.lang.reflect.Field;
+
 /**
  * This class tests the Textblock directive.
  */
@@ -28,12 +32,12 @@ public class TextblockTestCase extends BaseTestCase
 {
     // these are all here so that the test case adapts instantly
     // to changes in the textblock start/end sequences
-    private static final String START = ASTTextblock.START;
-    private static final String END = ASTTextblock.END;
-    private static final String PARTIAL_START = START.substring(0, START.length() - 1);
-    private static final String PARTIAL_END = END.substring(1, END.length());
-    private static final String END_OF_START = START.substring(START.length() - 1, START.length());
-    private static final String START_OF_END = END.substring(0, 1);
+    private String START = null;
+    private String END = null;
+    private String PARTIAL_START = null;
+    private String PARTIAL_END = null;
+    private String END_OF_START = null;
+    private String START_OF_END = null;
 
     public TextblockTestCase(String name)
     {
@@ -41,6 +45,25 @@ public class TextblockTestCase extends BaseTestCase
         //DEBUG = true;
     }
 
+    @Override
+    protected void setUp() throws Exception
+    {
+        super.setUp();
+
+        // get a valid parser instance to initialize string constants
+        Field riField = engine.getClass().getDeclaredField("ri");
+        riField.setAccessible(true);
+        RuntimeInstance ri = (RuntimeInstance)riField.get(engine);
+        Parser parser = ri.createNewParser();
+        ASTTextblock astTextblock = new ASTTextblock(parser, 0);
+        START = astTextblock.START;
+        END = astTextblock.END;
+        PARTIAL_START = START.substring(0, START.length() - 1);
+        PARTIAL_END = END.substring(1);
+        END_OF_START = START.substring(START.length() - 1);
+        START_OF_END = END.substring(0, 1);
+    }
+
     public String textblock(String s)
     {
         return START + s + END;